refactor WebRTC and WebSocket services to remove user_id dependency from session management

src/services/_web_rtc_service.py

@@ -24,7 +24,7 @@ class WebRTCService:
             data = await websocket.receive_text()
             message = json.loads(data)
 
-            # user_status = await redis_client.get(f"session:{user_id}{conversation_id}")
+            # user_status = await redis_client.get(f"session:{conversation_id}")
             # if not user_status:
             #     logger.error("User session has ended")
             #     raise Exception("A max 25 minute session has ended")

src/services/_websocket_service.py

@@ -128,7 +128,7 @@ class WebSocketService:
                 user_message = json.loads(user_message)["user_message"]
 
                 user_status = await redis_client.get(
-                    f"session:{user_id}{conversation_id}"
+                    f"session:{conversation_id}"
                 )
                 if not user_status:
                     raise Exception("A max 25 minute session has ended")